Sachin Kadam developed JWT rotation and secret management for the harness/harness repository, focusing on backend development and API security using Go. He updated the authentication and token generation logic to support multiple secrets, enabling both verification and signing with several keys. This approach allowed seamless secret rotation, ensuring uninterrupted Code API access during secret updates and reducing operational risk. By implementing multi-secret support, Sachin strengthened the system’s security posture and improved traceability of secret changes. His work addressed the challenge of maintaining continuous API availability during sensitive security operations, demonstrating depth in secure backend engineering and practical application of JWT standards.